Oil-tank valve



Dec. 30, 1924- 1,52,033

B. H. MATHIS O IL TANK VALVE Filed May 22, 1924 Patented Dec. 36, 1924.

BENEnro'r Marins, or WARREN, rENNsYLVaNrA. r

p ort-TANK VALVE'.

Application mea May 2a, 1924. seriaiuo. 715,126.

T0 all whom t may concern.' f

Be it known that I, BENEDICT H. MATHIs, a citizen of the United States, residing at Varren, Vin the county of Warren and State of Pennsylvania, have invented certain new andy useful Improvements in Oil-Tank Valves, of which the following is a specification.

This invention relates to a novel means of discharging liquids from containers, and is especially directed to that form of containers'placed on railroad cars and known as tank cars used in the transportation ,of oil and other liquids.

The primary object .of this invention is to provide means for discharging substantially all of theliquid in a tank of the character' described, even though one end of the tank may be temporarily positioned in a lower plane thanthe plane of the discharge duct.

These andturther .objects will more fully appear y'from the following description in which reference will be had yto the accompanying drawings whichshow a form of apparatus embodying the said inventions and wherein: y' i VFigure 1 is a tanky with parts broken away, showing the application of invention.

Figure 2 is a sectional viewof the valve mechanisms. i s

Figure 3 shows a cross section of Figure 2.

Referring to the accompanying drawings 1 represents the tank for containing liquids, 2 is the discharge duct through which the liquid is discharged. Located within the tank 1 and having discharging communication with the duct 2 is the tubular member 3. The lower end of the tubular member 3 is screw-threaded into the discharge duct 2. Located at the upper end of the tubular member 3 is a horizontally disposed barrel 4, internally apertured to receive .the valve plug 5 formed with a cored interior cavity 6.

The interior cavity 6 is provided with an outlet port 7, which is placed in direct communication with the dischargel duct 2 through the tubular member 3.

Adjacent to the ends of the valve plug 5, and positioned outside of the barrel 4 are the intake ports 8--8 positioned at 90o angles to the outlet port 7.

Operatively mounted for oscillating movement upon the valve plug 5 is the movable valve member 9.

The valve member 9 is oftubular formation comprising bi-furcated extensions 10- 10', adapted to straddle thel barrel 4 and to form a sealedjoint between the ends of the barrel 4 and the inner'surfaces or' the eX- tensions 1010.` f

To provide `for oscillating movement `of the valve member 9 upon the valve plug 5 there is located in the eXtensions1O-10 the apertures 11%11 adapted to receive the valve plug 5. The apertures 11-11 are taper bored to conform to a corresponding taper formed on the ends of the valve plug Located on the reduced tapered end oi; the

valve plug 5 is; thel threaded stud` 12 upon which is operativelyimounted the nut 13 adapted to be setup toho-ld thevalve parts v -a .manner well in assembled position in known in the art.` Y .v

, Connected to the yoke of the tubular valve member 9 is the stand pipe .14,- which 'is swivelfnozzle 16. v,By the application kof the swivel feature to the nozzle 16, `the .oriliceol thenozzle will adjust. itself to ay position offering an unobstructed access of' flow of the liquid:y in the bottom of the tank, through the flexible member 15 as the standpipe 14 is lowered to'a -horizontal position along the bottom of thetank in the act offdischarging, a function .of the invention that will hereinafter be more fully explained. With the.

ordinary means heretofore employed inthe art of dischargingl liquids `from tanksof this eol character, when the oil or other liquid,k ,Y

reached a level with the discharge duct, the normal discharge iow would cease. If the tank car from which `liquid was being thus discharged was positioned onv an incline causing one end ofthe tank to be lower than the discharge duct there would be left a considerable portion of the liquid in the end of thetank below the level of the discharge duct, which would fail of discharge by the usual method employed.

One of the important functions of this inventioii is 'to provide for the discharge of the liquid leftv in the lower end of the tank, after the normal flow as above explained, has ceased.

It will be obvious to those skilled in the art that upon lowering the standpipe 14 to a horizontal position along the bottoni of the tank as diagrammatically shown in Figure l, the flexible member 15 will extend itself and place the nozzle 16 at a point near the through the valve plug 5, the port 7 and the discharge duct 2, -from which the oil or liquid will be conveyed `to the usual containers in a manner well known in `theart.

It will be obvious to those skilled in the art, that-should a tank from' which theliquid is to be drawn be so positioned, that one end thereof is lower than the centrally positioned discharge duct that by placing the nozzle 16 in the lowerinost position of the tank the liquid remaining in the low end of the tank after the liquid has been drawn ofiI to the level of the inlet of the discharge duct 2 and where a further discharge flow would ordinarily cease, that in the lpresent invention, the fluid will continue to be drawn from the tank through the siphoning effect inducedby the positioning of the suction nozzle 16 at a point below the surface level' of the liquid, ybut above the lower orifice ofthe discharge duct. f

As the standpipe 14 is raised to a vertical position the ports 8-8-will be closed and no discharge of oil or liquid from the vtank car occur. y

`For the purpose of maintaining the standpipe in vertically disposed position7 there is provided the chain 17 attached by a suit- 5^ able collar-to the standpipe and adapted to be placed in holding engagement with the hook 18, positioned in the crown ofthe dome of the tank.

In the accompanying drawings, and in the z3 without departing from the spirit of the inv vention. It is therefore tobe understood that the present invention is not limited to the specific form of means shown.

lVhat is claimed as new and is desired to be secured by Letters Patent is:

1. A tank discharging valve of the chai'- acter described, comprising a valve head .having a'discharge port therein, a gudgeon passing thro-ugh said valve head, a tubular passageway in said gudgeon in communication with said discharge port, a hollow yoke member spanning said valve head formed with ported yoke terminals irotatively mounted on said gudgeon, Iand closable ports in said gudgeonpassageway adapted to be uncovered by the movement ofthe yoke member. f v

2. A tank discharging apparatus, comprising a valve boss having a discharge port therein, a valve `head formed on said boss, a gudgeon positioned in said valve-head having its .ends extended therefrom, a `cored conduit in said guvdgeon in communication with said discharge port, a hollow yoke member formed with ported yoke terminals rotatively mounted on Vsaid extended gudgeon ends, closable lports infthe-gu'dgeon passageway adapted to be uncovered by the movement of the yoke member, and ajiiexible tubular inletk membery extending from said yoke member adapted to fold in a vertical plane as the yoke member is moved to close said ports, and `to assume an extended position as the yoke member is positioned to open said ports.

In testimony whereofl I have alii-Ned my signature.

\ BENEDICT H. MATl-HS. 

